K3 surfaces and orthogonal modular forms

We determine explicit generators for the ring of modular forms associated with the moduli spaces of K3 surfaces with automorphism group (Z/2Z)2(\mathbb {Z}/2\mathbb {Z})^2 and of Picard rank 13 and higher. The K3 surfaces in question carry a canonical Jacobian elliptic fibration and the modular form...

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Bibliographic Details
Main Authors: Clingher, Adrian (Author) , Malmendier, Andreas (Author) , Williams, Brandon (Author)
Format: Article (Journal)
Language:English
Published: December 2025
In: Nagoya mathematical journal
Year: 2025, Volume: 260, Pages: 687-727
ISSN:2152-6842
DOI:10.1017/nmj.2025.10071
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1017/nmj.2025.10071
Verlag, lizenzpflichtig, Volltext: https://www.cambridge.org/core/journals/nagoya-mathematical-journal/article/k3-surfaces-and-orthogonal-modular-forms/57FF19AF0B2756227330727307F92025
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Author Notes:Adrian Clingher, Andreas Malmendier, Brandon Williams
Description
Summary:We determine explicit generators for the ring of modular forms associated with the moduli spaces of K3 surfaces with automorphism group (Z/2Z)2(\mathbb {Z}/2\mathbb {Z})^2 and of Picard rank 13 and higher. The K3 surfaces in question carry a canonical Jacobian elliptic fibration and the modular form generators appear as coefficients in the Weierstrass-type equations describing these fibrations.
Item Description:Online veröffentlicht am 29. August 2025
Gesehen am 18.02.2026
Physical Description:Online Resource
ISSN:2152-6842
DOI:10.1017/nmj.2025.10071